GEOLogic: The Big Five Mass Extinctions part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to match up the five largest mass extinction events with their relative dates, approximate duration, and severity (percentage of species that became extinct) based on clues given from various perspectives.

Angle of Repose part of Quantitative Skills:Activity Collection
Eric Baer, Highline Community College
A student activity to determine the angle of repose and what factors determine the angle of repose.

Back-of-the-Envelope Calculations: Depth of Buried Metamorphic Rock part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question In many high-grade metamorphic belts around the world, rocks were buried 20-30 km beneath the surface during deformation and metamorphism. How deep is that relative to the cruising altitude of a typical ...

Back-of-the-Envelope Calculations: Percentage of Copper in Ore part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question Suppose that you are building a new house. It will take about 90 kg (198 pounds) of copper to do the electrical wiring. In order to get the copper in the first place, someone needs to mine solid rock that ...

GEOLogic: Lagerstatten and Unique Fossils part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to match up several unique fossils with the site and location where it was found and it's geologic age.

GEO-Logic: Stream Discharge Rates - Rappahannock River Station part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to convert measurements in cubic feet per hour (cfh) to cubic feet per second (cfs) and then match up the names of the researchers measuring the flows at the river station with the correct flow rate and the year in which it was taken. There is also a second part in which students must graph the different flow rates with time and then answer questions by interpreting the information in the graph.

GEOLogic: Volcanologists part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
students are asked to resolve how many days each of 5 volcanologists spent at a volcano and what day they started for the volcano. There is also a second part where students are asked to do some additional research about volcanoes on the web.

GEOLogic: The Three Stooges and Their Pet Dinosaurs part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to match up each of the Stooges with their favorite group and species of dinosaur based on clues given from different perspectives.

GEOLogic: Terrestrial and Jovian Planets part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
In this two-part example, students are given clues about properties about the terrestrial and Jovian planets respectively and asked to match up the planet with the correct equatorial radius, mean orbital velocity, and period of rotation.

GEO-Logic: Continental Drift and Plate Tectonics part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to match up lecturers with what day and time they teach, and how many students they have based on clues given from several different perspectives. In the second part of the activity, students are asked to learn more about the historic figures mentioned in the activity by doing reading and web research.